"All rights reserved" was incorrect. The project was licensed under GPL3,
which means a lot of rights are licensed to everybody in the world, i.e.
not reserved to the "Tox Project".
It is still C code, so still compatible with C compilers as well. This
change lets us see more clearly where implicit conversions occur by
making them explicit.
Change calloc call on line 138 from empty_array->entries = calloc(size * sizeof(Ping_Array_Entry), 1);, to empty_array->entries = calloc(size, sizeof(Ping_Array_Entry));
iphydf